* v : value to write
* n : number of bytes to write
*/
-unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n) {
+unsigned int cio_write(opj_cio_t *cio, unsigned long long int v, int n) {
int i;
for (i = n - 1; i >= 0; i--) {
if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )